Cereus pierre-braunianus
| Cereus pierre-braunianus | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cereus pierre-braunianus |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Cereus pierre-braunianus | ||||||||||||
| Esteves |
Cereus pierre-braunianus is a species of plant in the genus Cereus from the cactus family(Cactaceae). The specific epithet honors the cactus specialist Pierre Josef Braun .
description
Cereus pierre-braunianus grows tree-shaped, has branches like candelabras and reaches heights of up to 7 meters. A heavily lignified trunk with a diameter of up to 38 centimeters is formed. The straight or arching ascending, segmented, green to greyish green shoots later turn light gray and blotchy. The segments are 40 to 75 centimeters long and have a diameter of up to 24 centimeters. There are four to six angular ribs that are up to 7.2 inches high. The areoles on it are somewhat felty. The thorns of the vegetative shoot parts are gray to dark gray with a black tip. The seven to nine central spines here reach a length of up to 2.3 centimeters, the seven to ten radial spines of only up to 1.3 centimeters. In the flowering part of the shoot, the thorns are missing or there are one to three that are up to 6 millimeters long.
The hardly opening white flowers are 14 to 15.5 centimeters long and have a diameter of up to 7 centimeters. Your pericarpel and tube are green. The spherical, thick-walled fruits are green, sometimes also brownish. They are bald and up to 9.3 centimeters in diameter. The fibrous, sticky flesh is greenish white.
Distribution, systematics and endangerment
Cereus pierre-braunianus is common on limestone cliffs in the Brazilian state of Goiás . The first description was published in 2003 by Eddie Esteves Pereira .
In the Red List of Threatened Species of IUCN is the species as " Vulnerable (VU) ", d. H. listed as endangered.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 110 .
Individual evidence
- ↑ EE Pereira: Cereus pierre-braunianus Esteves - a new species of Cactaceae from the state of Goiás, Central Brazil . In: Cactus and Succulent Journal . Volume 75, Number 6, 2003, pp. 266-270.
- ↑ Cereus pierre-braunianus in the IUCN Red List of Threatened Species 2013.2. Posted by: Braun, P., Taylor, NP & Machado, M., 2010. Retrieved December 31, 2013.
